Which of the following is the correct key to exit a submenu or cancel an operation in MS Office? MCQ with Answer and Explanation

Explanation:
Ctrl + Y redoes an undone action or repeats the last command.

Explanation:
Ctrl + M inserts a new slide into the active presentation file. Ctrl + N opens a brand-new, blank presentation file window.

Explanation:
While = is standard, you can also start with + or - and Excel will convert it to a formula. @ is used in table references but not to begin a formula. So only = is required. + also works in some cases (e.g., +A1+A2). Many exams consider = only. I'll stick with = only. I'll set answer A.